The string refers to a specific digital file for The Flash (2014) Season 1, Episode 21 , titled "Grodd Lives" . File Name Breakdown
In this episode, faces the telepathic gorilla Grodd , who has been unleashed by Dr. Harrison Wells as a distraction. Watch the flash 2014 121 hdtv-lol GR
: Barry struggles against Grodd’s mental attacks until Iris helps him break free to save Joe. The string refers to a specific digital file
: The TV series that premiered in 2014 starring Grant Gustin. 121 : Refers to Season 1 , Episode 21 . faces the telepathic gorilla Grodd
: Likely stands for Greek subtitles or a Greek-localized release. Episode Summary: " Grodd Lives "
: Iris West discovers Barry’s secret identity as The Flash and confronts him and Joe about keeping it from her.